Astronomy
Constellations - Draco - 28ome Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name28ome Dra
Skymap Number17360194
Henry Draper (HD) Number160922
Harvard Revised (HR) Number6596
SAO Number17576
Durchmusterung (DM) NumberBD+68 949
Washington Double Stars (WDS) Number
17370+6845
Positional Data
Position and Proper Motion (PPM) Number20477
Right Ascension (RA) J200017h 36m 57.092s
Declination (Dec) J2000+68° 45' 28.691"
Position Uncertainty0.0075s
Proper Motion in RA (J2000)/cos(Dec)+0.00025
Proper Motion in Dec (J2000)+0.321166
Radial Velocity-014.0km s-1
Trigonometric Parallax+0.04262s
Trigonometric Parallax Uncertainty0.00053s
GCI Unit Vector in X (J2000)-0.036375
GCI Unit Vector in Y (J2000)-0.360478
GCI Unit Vector in Z (J2000)0.932058
Galactic Longitude99.08°
Galactic Latitude
31.87°
Observational Data
Observed Visual Magnitude (V)4.78
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.22
Observed B-V Colour+0.440
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF5V
One-Dimensional Spectral ClassF5
Position Angle276
Year of Observation1922. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:39 GMT+01:00 2001